[maven-release-plugin] prepare for next development iteration
Remove references to kws

Change-Id: I230d0178f0277fe0677bc65c44058544a04ee2af
Remove profiles and plugin management from pom.xml

Change-Id: Idc1a2d49716a306ef0cdb5d3d2e696b1e2114b7e
Package.json version updated to release version
[maven-release-plugin] prepare release kurento-jsonrpc-js-5.0.3